baber/WOPTO huggingface dataset:
Patent GB-1356901-A (GB)
Title: Rodenticidal compositions
IPC: A01N47/30
Filed: 1972-09-05
Abstract: 1356901 Rodenticidal application of thioureas NIPPON KAYAKU KK 5 Sept 1972 [13 Sept 1971] 41164/72 Heading A5E In methods and compositions for exterminating rodents, there is employed as active ingredient a compound of formula wherein R 1  is H or alkyl, R 2  is alkyl, R 3  is H or alkyl, and R 4  is H, OH, alkyl, hydroxyalkyl, benzoyl, or halophenyl; or an acid addition salt thereof. Examples of bait compositions are given.
Patent GB-1469768-A (GB)
Title: Ceramic materials
IPC: C04B35/584
Filed: 1973-09-04
Abstract: 1469768 Ceramic materials LUCAS INDUSTRIES Ltd 25 July 1974 [4 Sept 1973] 41406/73 Headings CIJ and C1A [Also in Division C7] A ceramic material is produced by sintering, at an elevated temperature and in a protective environment, a mixture containing particulate silicon nitride, and a further particulate refractory material, the further particulate material chemically combining with the silicon nitride to produce the required ceramic material, wherein the mixture also contains carbon at the elevated temperature. The carbon may be introduced into the mixture as a carbon compound decomposable on heating, e.g. carbohydrate or organic binding agent. The further particulate material may be alumina, which may be introduced into the mixture as a compound decomposable to alumina on heating, e.g. aluminium hydroxide. In an example, a mixture of silicon nitride and alumina in the molar ratio of 1 : <SP>4</SP>/ 3  containing 2 wt. per cent graphite was heated in N 2  to give a product containing about 10% free Al 2 O 3  with a trace of α-phase Si 3 N 4 , the balance being silicon aluminium oxynitride.
Patent GB-1318379-A (GB)
Title: Containers
IPC: B65D5/36
Filed: 1970-08-28
Abstract: 1318379 Boxes LEKAPAK VERPAKKINGSINDUSTRIE NV 28 Aug 1970 [2 Sept 1969] 41436/70 Heading B8P A container comprises four mutually hinged sidewalls and a bottom consisting of two sections 1, 6, one section being pivoted to two adjacent sidewalls, and the other section being pivoted to the other two sidewalls, so that the container can be collapsed with the bottom sections being folded. The bottom is glued or heat sealed to the sidewalls. The bottom may be formed from one piece, which is then cut along a diagonal, and may be of polyvinyl chloride or cardboard, and may have an inner sheet of cardboard stuck thereto.
Patent GB-1019825-A (GB)
Title: Cantilever type aerial
Inventor: NAGATA KIYOSHI
IPC: H01Q1/24
Filed: 1963-10-21
Abstract: 1,019,825. Radio receiving apparatus. NANAO DENKI KABUSHIKI KAISHA. Oct. 21, 1963, No. 41508/63. Heading H3Q. The aerial for a portable radio receiver comprises a winding 5 upon a ferrite rod 6 housed within a carrying handle 3 for the receiver, the handle being supported at one end by a pillar 2 through which the aerial lead passes and upon which the handle is pivotally mounted to permit its adjustment in the horizontal plane and engaging, when used as a handle, at its other end a recess and catch in a second pillar 4 mounted upon the receiver cabinet 1..
Patent GB-1361612-A (GB)
Title: Electrical switches
IPC: H01H13/02
Filed: 1971-08-27
Abstract: 1361612 Mechanical switches SMITHS INDUSTRIES Ltd 27 Aug 1971 [28 Aug 1970] 41527/70 Heading H1N An electric switch suitable for mounting on a vehicle gear-box to operate reversing lights comprises a two part housing 1, 2, Fig. 3, in one of which a pair of rigid fixed terminal contact blades 5 are supported for bridging by a resilient contact 17 mounted on an operating member assembly 6, 9, 12 on the other housing part 2 and normally spring urged away from the fixed blades 5. In the arrangement shown, the resilient contact 17 comprises a pair of contact spring arms 18 and a pair of arms 16 bent back to pass within a coil spring 19 and having flanges 16a to engage the end of the spring 19 whereby the contact 17 is held in position on the actuation part 12. The two casing parts 1, 2 may be of nylon, and sonically welded together, and the bore 14 in the part 2 may contain an "O" ring 15 for sealing the switch contacts. In a modification, Figs. 1 and 2 (not shown) the flanges 16 may be omitted and the spring 19 engaged directly with a flange 13 on the actuator part 12.
Patent GB-1281074-A (GB)
Title: Light-sensitive silver compounds and their use in photographic materials
Inventor: HAIST GRANT MILFORD
IPC: G03C1/494
Filed: 1969-08-21
Abstract: 1281074 Photographic silver materials EASTMAN KODAK CO 21 Aug 1969 [26 Aug 1968] 41793/69 Heading G2C Light-sensitive photographic materials comprise a support coated with an acid composition containing a film-forming binder and a lightsensitive silver compound of the formula:- where R<SP>1</SP> is H or substituted or unsubstituted alkyl or aryl, R<SP>2</SP> is H, substituted or unsubstituted alkyl, phenyl or naphthyl or a heterocyclic group and R<SP>3</SP> is H, a substituted or unsubstituted alkyl or aryl radical, or the group -NH 2  or - N=CR<SP>1</SP>R<SP>2</SP>. When R<SP>2</SP> is substituted alkyl it may be heterocyclylalkyl or the group of the formula CH 2 OH(CHOH)x<SP>-</SP> where x is 1-4. The light-sensitive compound may be suspended or dissolved in the coated layer and may be exposed and then developed and fixed using conventional silver halide developers and fixers. When the compound is water-soluble, the material may be fixed by washing or the developed material may be pressed into contact with a receiving sheet carrying silver-precipitating nuclei to obtain a positive image thereon by the silver salt diffusion process. Compounds specified include the silver salts of glyceraldehyde thiosemicarbazone, D-glucose thiosemicarbazone, 2-carboxy-benzaldehyde thiosemicarbazone, L-arabinose thiosemicarbazone and bio-xylose thiocarbohydrazone.
Patent GB-913015-A (GB)
Title: Improvements relating to protective gloves
Inventor: DYKE NEVILLE
IPC: A41D19/00
Filed: 1959-12-09
Abstract: 913,015. Gloves. ROTHBAND & CO. Ltd., W. S. Nov. 2, 1960 [Dec. 9, 1959], No. 41839/59. Class 141. In a glove, the palm 1 and fronts 2 of the fingers and thumb consist of textile fabric while the remainder 3, 4 consists of or is covered with X-ray protective material. The whole glove may be made of cotton, the parts 3, 4 being covered with a layer of natural or synthetic rubber or a plastics material, loaded with lead or other X-ray absorbing material. The Provisional Specification describes also an outer glove of leather, detachably fastened to the X-ray protective glove by press fasteners.
Patent GB-901603-A (GB)
Title: Solutions of unsaturated copolymerisable polyester resins in monomeric unsaturated copolymerisable compounds
IPC: C08F283/01
Filed: 1960-12-06
Abstract: Solutions of unsaturated polyester resins in monomeric copolymerizable compounds containing a tertiary aromatic amine and a quinone are storable but cold-hardenable on addition of an organic peroxide.  The polyesters are polycondensates of unsaturated dicarboxylic acids, e.g. maleic or fumaric, optionally mixed with other dicarboxylic acids, e.g. phthalic and adipic, with polyhydric alcohols, e.g. ethylene or butylene glycol or hexan-1,6-diol. Comonomers specified are styrene, substituted styrenes, acrylic and methacrylic esters, and allyl alcohol and its esters.  Specified amines are dimethyl- and diethyl-aniline and diethoxy-p-toluidine. Quinones specified are benzoquinone and 4-t-butyl-, 4,6-di-t-butyl-, 2,5-dihydroxy-, and 2,5-di-t-butyl-benzoquinones.  0,001 to 1% of quinone may be used.  Examples illustrate that the use of the quinones, in contrast with hydroquinone or t-butyl pyrocatechol, improves the storability without adverse effect on the cold-hardening time when benzoyl peroxide is added.  Specification 757,989 is referred to.
Patent GB-1019486-A (GB)
Title: Process for the production of freely-flowing paraformaldehyde
IPC: B01J2/30
Filed: 1964-10-15
Abstract: Free flowing paraformaldehyde is made by spraying an aqueous 80 to 90% by weight formaldehyde concentrate, preferably at 105 DEG  to 110 DEG  C., under a pressure of 2 to 8 kg./cm.2 for preference, into a combined fluidized bed spray dryer, where it is dried for a short period, especially for 5 to 15 minutes, in the fluidized bed at 40 DEG  to 60 DEG  C.  The invention is described with reference to a drawing (not shown) and comparative examples which include the use of lower and higher temperatures are provided.
Patent GB-1153028-A (GB)
Title: Gas Flow Equalization device for an Electrostatic Precipitator
Inventor: HASELMAYER KARL
IPC: B03C3/36
Filed: 1967-09-15
Abstract: 1,153,028. Electrostatic precipitators. METALLGESELLSCHAFT A.G. 15 Sept., 1967 [28 Oct., 1966], No. 42143/67. Heading B2J [Also in. Division F4] A plate 1, to equalise gas flow at the inlet and/or outlet of an electrostatic precipitator, is provided with square openings 2 along the sides of which are trapezoidal flaps 3 inclined at up to 10‹ to the normal to the plane of the plate. The width of each flap equals one quarter of the side of a square opening.
Patent GB-1277404-A (GB)
Title: Improvements in or relating to welded multiple glazing units
IPC: C03B23/24
Filed: 1968-09-09
Abstract: 1277404 Multiple glazing units PILKING- TON BROS Ltd and G SHEPHERD 2 Sept 1969 [9 Sept 1968] 42851/68 Heading C1M A method of manufacturing a welded multiple glazing unit comprises presenting an assembly of polygonal glass sheets to a welding station, welding together the margins of sheets and force cooling the welded periphery of the assembly by blowing cooling gas towards the corners only of the weld, the gas diffusing from the corners along the side edges of the weld. Gas circulating ducts 32 are positioned above the welded unit and have four downwardly extending diffusers 33 one adjacent each corner. To prevent localized overcooling the gas supplied to the ducts 32 is heated so that the temperature of the gas contacting the glass is in the region of the strain temperature. The welding is carried out electrically by passing current between electrodes placed adjacent the corners along colloidal graphite stripes painted on to the glass, the stripes burning off after the glass has reached a temperature at which it is conductive.
Patent GB-968779-A (GB)
Title: Improvements in or relating to accelerator pedals of automobile vehicles
IPC: B60K26/02
Filed: 1962-11-13
Abstract: 968,779. Motor vehicle pedal arrangements. REGIE NATIONALE DES USINES RENAULT. Nov. 13, 1962 [Jan. 4, 1962], No. 42886/62. Heading B7H. A treadle-type accelerator pedal 1 of a vehicle is connected through link 3 and lever 5 to a carburetter and is either mounted in a support arranged to slide on the floor or is itself slidable in guides on the floor. In Fig. 2 the pivot pin 2 slides in slots 10 in guides 11 secured to the floor. Alternatively the pedal may pivot on a support 12 with one or two legs (Figs. 5 and 4) slidably mounted in brackets 13 secured to the floor. The pedal may be held in its longitudinal position by friction between the first pin 2 and the guides 11 (Fig. 2) or the support 12 and brackets 13 (Fig. 4) or by a spring-loaded bolt controlled by lever 15 (Fig. 5) engaging one of a series of holes 16 in the floor or in a member secured to the floor.
Patent GB-1036605-A (GB)
Title: Stretcher for therapy equipment
IPC: A61G13/10
Filed: 1964-10-22
Abstract: 1,036,605. Therapeutic apparatus. ATOMIC ENERGY OF CANADA Ltd. Oct. 22, 1964 [Dec. 16, 1963], No. 43162/64. Heading H5R. A stretcher or support, for use in therapy, comprises parts 10 and 11 connected by bars 17, 18 at least one bar being movable transversely of the support. This enables removable support plates to be placed in different locations in the gap between parts 10, 11 to give various alternative configurations (Figs. 3-5, not shown) of absorbing and non-absorbing areas, thus aiding the therapy procedure. Each bar (e.g. 18) is supported between arms (23, 24), the arms themselves being mounted at their other ends in shafts (25, 26), rotatable within the bodies of parts 10, 11, respectively, such that the whole (bar, arms and shafts) form a cranklike member which can move through 180 degrees between two extreme positions which are dictated by spring plunger stops. In another embodiment, this crank arrangement is in the form of an integral member (Fig. 8, not shown) whose movement is limited by pin stops. The body parts 10, 11 are of arcuate crosssection, the upper surface being a steel plate covered with vinyl film and the lower of aluminium, the space between being filled with polyurethane foam. The removable plates or panels may be of a plastics material.
Patent GB-890395-A (GB)
Title: Improvements in or relating to cathode-ray devices
Inventor: SCHAGEN PIETER
IPC: H01J31/12
Filed: 1960-12-16
Abstract: 890,395. Cathode-ray tubes. MULLARD Ltd. Dec. 16, 1960, No. 43398/60. Class 39(1) A cathode-ray device of the kind described in Specification 865,666 is provided with means 7, 8 Fig. 3 for setting up a magnetic beam trajectory control field, the intensity of which increases progressively along the length of the target 10 with increasing distance from the electron gun 3-5, and increases progressively from both sides towards a plane P 2  which is parallel to the operative axis of the gun, normal to a plane P 1  Fig. 4, containing the gun axis and the longitudinal axis of the target and spaced from the gun axis on the side thereof remote from the target. As shown, the control field is produced by a magnet 7, with permeable plates 11 of soft magnetic material alongside it, at the end of the envelope and polepieces 8 extending along the sides of the envelope. The magnetic system may include an electromagnet in order to vary the control field with time at scanning frequency but a permanent magnet is preferred. Increasing field strength along the length of the tube results in larger angles of incidence at the far end of the target and a focusing effect in the line direction, while decreasing field strength, away from the plane P 2  results in a focusing effect in the transverse direction for longer trajectories. Pre-deflection focusing of the electron beam is effected by main and auxiliary magnetic focusing lenses, Fig. 6 (not shown), having their operative centres at F and F<SP>1</SP>, Fig. 3. The auxiliary lens is connected in series. with the line scanning coils to provide dynamic focusing. The target 10 comprising 3 colour strips is mounted on an aluminium bar 21, Fig. 4, and shield 22 to achieve the necessary heat dissipation. A colour selection spot-wobble deflection system is provided with its operative centre at W, the line scanning system having its operative centre at S. The latter system comprises conventional coils 12, Fig. 7, on an eight pole ferrite yoke 13 and auxiliary coils 14, connected in series therewith, to obtain increased focusing in the line direction and decreased focusing in the transverse direction with increased deflection whereby to reduce astigmatism. The earth's magnetic field can be compensated for by applying a small direct current through a large coil placed longitudinally around the main body of the tube. The tube may be slightly elliptical rather than circular in cross-section and the pole-pices 8 may be arranged tangentially to the tube rather than parallel to Plane P 1 . The control grid 4 may have a beam-shaping hole which is elongated in a direction normal to plane P 1 , the magnetic focusing lenses then being a pair of equal quadripole lenses arranged in quadrature. Suitable dimensions for the device are given. The colour selection deflection system may be omitted and one or more additional guns provided for colour display. Specifications 827,851, 864,544 and 865,665 also are referred to.
Patent GB-1344315-A (GB)
Title: Acoustic emission crack monitor
IPC: G01B17/04
Filed: 1971-09-21
Abstract: 1344315 Sound measurement; ultrasonic probes TRODYNE CORP 21 Sept 1971 [16 Oct 1970] 43986/71 Headings H4D and H4J [Also in Division G4] Increments of growth of a crack in a structure are sensed by an acoustic/electric transducer whose output for each increment is converted into one or more count pulses which are accumulated for successive increments, the total count thereby indicating the growth of the crack. In Fig. 2 a piezo-electric transducer 10 is connected to a differential amplifier formed by FET'S Q1, Q2 whose output is filtered in network 14, the resulting analogue signal is integrated in a peak value integrator 16. In comparator 48 the peak value is compared with a reference level, preset by potentiometer R3 whereby spurious signals are eliminated, the peak value integrator discharging through the comparator until their levels are equal, to produce a duration significant output which via gate 52 enables an oscillator 20. The duration significant pulse triggers circuit 50 to generate a 125 microsecond pulse which inhibits gate 52 via latch circuit 94, 96 and enables a peak integrator formed by amplifiers 84, 86 to generate an artificial peak value, which after the 125 microsecond period is compared in comparator 90 with the signal from peak integrator 16 which should by now have decreased below the artificial one if the analogue signal from transducer 16 is short lived as expected from a crack increment rather than an impact on the structure. Comparator 90 after the 125 microsecond period now controls trigger circuit 94, 96 to pass, or otherwise, the duration significant signal to the oscillator. The oscillator output is divided by ten by decode counter 56 and via a drive circuit 22 clocks on an electro-mechanical counter 68, having a preset count which, when, exceeded, illuminates a lamp 78 via contacts 74, of a mechanical switch 72. A support to hold the piezo-electric transducer comprises a cross piece 98 and two arms 100, 102 the structure being clamped in the space 104 between the arms by screw 118, and in acoustic contact with one face of the piezoelectric transducer 10, which is supported on its anvil 106 screwed into the other arm 100. A printed circuit board 110 contains the differential amplifier 12 of Fig. 2, FET's, of which only Q1 is visible in Fig. 3, being connected to opposite faces by leads 34, 36.
Patent GB-937492-A (GB)
Title: Process for the manufacture of aqueous emulsions or dispersions
IPC: C09K23/00
Filed: 1959-12-28
Abstract: In a process for the manufacture of aqueous emulsions or dispersions of natural film-forming polymers there is used as emulsifier a salt of a highly polymeric copolymer containing carboxylic acid groups, which copolymer is derived from a monomer free from carboxylic acid groups and a monomer containing carboxylic acid groups, the molar ratio of monomer free from carboxylic acid groups to the monomer containing such groups being in the range 97:3 to 70:30.  The emulsifier may be an ammonium, alkylamine or alkali metal salt of a copolymer of vinyl acetate, vinyl propionate, vinyl butyrate or styrene with crotonic acid. The emulsions or dispersions may also contain plasticizers, solvents, water-soluble cellulose derivatives, starch, casein, wax, paraffin, pigments and fillers.  Example 2 describes the dispersion of colophony in an aqueous alcoholic solution of the ammonium salts of a vinyl acetate-crotonic acid copolymer.ALSO:In a process for the manufacture of aqueous emulsions or dispersions of natural or synthetic film-forming polymers there is used as emulsifier a salt of a highly polymeric copolymer containing carboxylic acid groups, which copolymer is derived from a monomer free from carboxylic acid groups and a monomer containing carboxylic acid groups, the molar ratio of monomer free from carboxylic acid groups to the monomer containing such groups being in the range 97:3 to 70:30.  The emulsifier may be an ammonium, alkylamine or alkali metal salt of a copolymer of vinyl acetate, vinyl propionate, vinyl butyrate or styrene with crotonic acid.  The emulsions and dispersions may also contain plasticizers, solvents, watersoluble cellulose derivatives, starch, casein, wax, paraffin, pigments and fillers.  Examples describe the dispersion in aqueous-alcoholic solutions of the ammonium salts of vinyl acetatecrotonic acid copolymers of (1, 5, 6, and 7) polyvinyl acetate and dibutyl phthalate; (2) colophony; (3) phenol-formaldehyde resin; (4) polyvinyl acetate; and (8) a butanol solution of nitrocellulose, ethyl acetate, methoxybutyl acetate and toluene.
Patent GB-893805-A (GB)
Title: Improvements in or relating to multiple magnetic heads
IPC: G06K7/08
Filed: 1959-12-29
Abstract: 893,805. Magnetic recording and reproducing heads. COMPAGNIE DES MACHINES BULL. Dec. 29, 1959 [Jan. 6, 1959], No. 44143/59. Class 40 (2). A multiple magnetic head for operating on closely-spaced tracks has polepieces shaped such that major areas of opposite polepieces of adjacent transducers overlap each other, whereby cross-talk between the transducers caused by fringing fluxes at the pole tips tend to be neutralized. The embodiments describe heads with transducers having a uniform core design with a coil 16, Fig. 1, wound on a vertical limb 15 at one end of a core having a rectangular shape, thereby facilitating the close interleaving of the cores, Fig. 3, and the alignment of the recording gaps 13 with each other. The cores are separated by members 18, Fig. 5, which may also serve to reduce wear at the pole tips.
Patent GB-1100038-A (GB)
Title: Improvements in and relating to the production of vinyl acetate
Inventor: SMITH LEONARD CHRISTOPHER
IPC: C07C69/15
Filed: 1965-10-22
Abstract: In a process for the preparation of vinyl acetate by reacting acetylene and acetic acid in the presence of catalyst such as zinc acetate, make-up acetylene is added to the vapour stream from the reaction zone, which is then contacted with liquid acetic acid in an absorption zone and the acetylene leaving the absorption zone recycled to the reaction zone. The absorber removes most of the vinyl acetate, acetaldehyde, other trace organic compounds and water, and these are then removed from the acetic acid in an acid recovery column.  An example describes the process with the aid of a flow diagram.
Patent GB-1287095-A (GB)
Title: Improvements relating to power assisted steering systems
Inventor: ADAMS FREDERICK JOHN
IPC: B62D5/09
Filed: 1968-09-23
Abstract: 1287095 Vehicle power steering CAM GEARS Ltd 17 Sept 1969 [23 Sept 1968] 44994/68 Heading B7H An hydraulic steering system comprises a manually-operable reversible pump drivable from the steering wheel through a torqueresponsive valve, a pair of spool valves and a power-pump which, when actuated, supplies pressure fluid in accordance with the sense and magnitude of steering torque to assist the output from the reversible pump, one or other spool valve passing pressure fluid to a steering servomotor in accordance with the sense of, and torque, in the steering column, and the second spool valve returning fluid to a reservoir. In one embodiment (as shown), a torqueresponsive valve 22, operable when the applied torque between steering-column parts 2, 3 exceeds a predetermined minimum value, feeds hydraulic fluid to conduits 24, 25 in accordance with the sense of the torque and at a rate in accordance with the magnitude of the torque. The fluid, which is delivered to valve 22 from an engine-driven pump 20, actuates a respective spool valve 9 or 10 to pass to a respective conduit 5 or 6 and hence boost the flow issuing in the other conduit 6 or 5 from a manually-operable reversible pump 4. Fluid is then conducted to a respective conduit 16 or 17 and hence to one side of a steering servomotor 18 the other side of which is relieved to a reservoir 15 via a respective conduit 17 or 16 and a passageway in the already-actuated spool valve. In a second embodiment (Fig. 2, not shown), each spool valve has a closed neutral position from which the spool is movable in either direction in accordance with the sense of the applied torque. In a third embodiment (Fig. 3, not shown) the spool valves are constructed in such a way as not to require one way valves as in the previous embodiments. In a practical construction of the valves already described (Fig. 4, not shown) the spool valves (105), torque-responsive valve (104) and manually operable pump (106) are embodied in a unitary structure. The structure includes a torsion-bar (107) and rotary valve.